CVE-2026-71206 — shiori - JWT CheckToken Never Re-Validates Account State, Allowing Stale-Privilege Access After Deletion or Demotion

2026-09-30T15:57:51.368219+00:00

Affected: go-shiori shiori

Shiori's CheckToken function (internal/domains/auth.go) validates only the JWT's HMAC signature and returns the embedded claims.Account object unmodified, never re-fetching the account from the database. No session store or token-revocation mechanism exists in the codebase.

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CVE-2026-71206 — shiori - JWT CheckToken Never Re-Validates Account State, Allowing Stale-Privilege Access After Deletion or Demotion